Simply squeeze the lever to easily return the brake piston. The handle rotates so you can work in a variety of positions. The caliper can be easily removed with one hand. Parallel movement allows you to push it back straight without damaging the piston. Dedicated tool for pushing the brake caliper piston (single piston type) back when replacing the disc brake pad or overhauling. Applications: Single piston brake from light cars to medium size cars (2t class). (Cannot be used with parking brakes integrated brake calipers. )